Weather in September
Temperature
In Philipsburg, Sint Maarten, the months of June through October register the highest average temperatures, peaking at 31°C (87.8°F).Rainfall
The month with the most rainfall is September, when the rain falls for 19 days and typically aggregates up to 129mm (5.08") of precipitation.Sea temperature
The months with the warmest seawater are September and October, with an average sea temperature of 29°C (84.2°F).Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.
Daylight
The average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 05:57 and sunset at 18:25. On the last day of September, sunrise is at 06:02 and sunset at 18:01 AST.
Sunshine
The months with the least sunshine are January, February, May through July, September through December, with an average of 8h of sunshine.UV index
The months with the highest UV index in Philipsburg are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 12 as the daily maximum UV index converts into the following advice:
Enforce all necessary precautions, unprotected skin might burn swiftly. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Caution! The Sun's UV intensity grows with reflections off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
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Average temperature in September
Philipsburg, Sint Maarten
- Average high temperature in September: 31°C
The warmest months (with the highest average high temperature) are June, July, August, September and October (31°C).
The months with the lowest average high temperature are January, February, March and December (29°C).
- Average low temperature in September: 25°C
The months with the highest average low temperature are June, July, August, September and October (25°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (23°C).
Average rainfall in September
Philipsburg, Sint Maarten
- Average rainfall in September: 129mm
The wettest month (with the highest rainfall) is September (129mm).
The driest months (with the least rainfall) are February and March (43mm).
Average rainfall days in September
Philipsburg, Sint Maarten
- Average rainfall days in September: 19 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is April (12 days).
Average sea temperature in September
Philipsburg, Sint Maarten
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).
Average daylight in September /
Average sunshine in September
Philipsburg, Sint Maarten
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 8h
The months with the most sunshine are March, April and August (Average sunshine: 9h).
The months with the least sunshine are January, February, May, June, July, September, October, November and December (Average sunshine: 8h).
Average UV index in September
Philipsburg, Sint Maarten
- Average UV index in September: 12
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).
Philipsburg, Sint Maarten
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